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NGK Racing Spark Plugs 5820

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

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Manufacturer's Part Number: 5820
Part Type: Spark Plugs
Product Line: NGK Racing Spark Plugs
Summit Racing Part Number: NGK-5820

UPC: 087295158203
Shorty Spark Plug: No
Resistor: No
Manufacturer Heat Range: 10
Electrode Core Material: Copper
Electrode Tip Material: Nickel alloy
Insulator Type: Non-projected
Spark Plug Thread Size: 14mm
Spark Plug Reach: 0.750 in.
Spark Plug Seat Style: Gasket
Wrench Diameter: 5/8 in.
Ground Strap Quantity: One
NGK Part Number: R5671A-10
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

What's firing your engine? NGK racing spark plugs are built to withstand the severe mechanical and thermal shock associated with high-revving, high-compression engines. NGK racing plugs feature electrode materials--precious metals like platinum or gold/palladium--for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. And, the special arrangement of insulator noses improves throttle response! So, what's firing your race car to the winner's circle? Whether you're a weekend warrior or an expert racer, rocket your way to victory with racing spark plugs from NGK--the people who spark winners!

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Most Helpful Reviews Review this Product

2 Customer Reviews for NGK Spark Plugs 5820 - NGK Racing Spark Plugs

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Excelent plug, and more power than a Resistor plug

Summit RacingSummit Racing Verified Purchase

This NON resistor plug gives a lot better spark, and 1/3rd more power, and better gas mileage than a more expensive Bosch Resistor plug. BUT be sure you change to solid copper plug wires to get full benefit of the extra power. The only draw back is a crackling sound in your AM radio, This can be corrected by adding a capacitor to the radio unit ground to hot wire, or on the alternator. ...read more

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Reviewer: GARY from IA

Date: April 01, 2014

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New heads

Summit RacingSummit Racing Verified Purchase

Everything was perfect like any other order that I have received from summit racing.

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Reviewer: BOB from MD

Date: March 10, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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